Collects X-Men: Emperor Vulcan #1-5.
*Rise & Fall of the Shi'ar Empire continues here!
It's brother versus brother and the outcome could decide the fate of billions. Vulcan is the Shi'ar Emperor, and Havok is leading the rebellious Starjammers. But when a vast new power emerges, Havok and the Starjammers' world is turned upside down as they're forced to help Vulcan in his was against the enemies of the Shi'ar. What horrifying secret of the Scy'ar Tal would make Havok join forces with his brother? And the question isn't IF Vulcan will betray the X-Men...it's WHEN. *Source: Back Cover